| Helmcken, Diedr. Wilh. | Santozini | 1884 | Bremen |
| Helmcken, Gertrude Ernestine | Diekmann | 1898 | Bremen |
| Helmcken, Marie Gesine | Santorini | 1886 | Bremen |
| Helmcken, Marie Gesine | Santorini | 1888 | Bremen |
| Helmcken, Wilhelmine Auguste Bertha | Diekmann | 1898 | Bremen |
| Helmcken, Wilhelmine Sophie | Santorini | 1885 | Bremen |